數(shù)據(jù)庫技術(shù)簡介畢業(yè)論文外文翻譯

1、DatabaseTechniqueBriefIntroductionThedatabaseisthelatesttechniqueofdatamanagementistheimptantbranchofcalculatsciencefmethantenyearsdatabasemanagementsystemalreadyfromappropriativeofappliedtheprocedurewraptodeveloptobecom

2、eingeneralusesystemsoftware.Becausethedatabasehasdatastructuretoturnlowestredundancydegreehigherproceduredataindependencebeeasytoanenlargementbeeasytodrawupapplicationprocedureetc.advantageallofbiggerinfmationsystemsaree

3、stablishmentstodesigninthedatabaseonof.Therefenotonlylargecalculatmediumsmallscaledcalculateventhemicrocomputersallhaveadatabasemanagementsystem.Currentlytodatabasevariousmodelofresearchtheeticallyofstudyreturnatboomingo

4、penanexhibitionitsapplicationalsofromgeneralthemanagementextendtherealmssuchasdesignartificialintelligencesciencetechnologycalculationetc.ofthecalculatassistance.Todaytheinfmationresourceshasbecomeimptantwealthresourceso

5、feachsection.Buildupasatisfytheinfmationprocessingofthealllevelssectiontorequestofthevalidinfmationsystemgoalsobecomestheimptantconditionofabusinessenterpriseganizationexistencedevelopment.TherefeBecebasaldatabasetechniq

6、ueoftheinfmationsystemtogetamemeextensiveapplicationsincethechildhoodtypesingleitembusinessprocessingsystemarrivelargeinfmationsystemfromalliedthemachinebusinesshlealliedmachineanalysisprocessingfromgeneralthebusinessent

7、erprisemanagedacalculatassistanceadesignmake(CADCAM)calculatintegrationmanufacturingsystem(CIMS)transactinfmationsystem(OIS)geographyinfmationsystem(GIS)...etc.memenewofappliedrealmadoptionthedatabasesavehledtheirinfmati

8、onsresources.SayfanationtheconstructionscaledatabaseinfmationofthedatabasesizeusagePinofthequantitydegreetheimptantmarkingwhichhavebecometomeasurethisnationalinfmationbaseddegree.Therefethedatabasetechniqueistheprofessio

9、ninfmationofthecalculatsciencetechnologytomanageaprofessionalimptantcourse.Databaseacademicsofoftherangeofresearchbeveryextensivebroadlyspeakingcanincludethefollowingthreerealms:1.Developofthesystemsoftwareofthedatabasem

10、anagementTheDBMSisthefoundationofdatabasesystem.TheDBMSdevelopstoincludetodevelopDBMStakesDBMSasasetofsoftwaresystemwhichcontactsmutuallyofceincludetoolsoftwareinthecenterpiece.Thetargetofdevelopistoraisesystemofcanusese

11、xcredibilityflexibleLifttherateofproductionofhighperfmanceexaltationcustomer.ThetechnicalresearchoftheDBMScerealizationismethan30yeardatabaserealmobtainofmainachievement.TheDBMSisafoundationsoftwaresystemitprovidedtocarr

12、yontothedatainthedatabasesavingthefunctionofindexmanagement.2.ThedatabasedesignThemainmissionofdatabasedesignisundertheDBMStechniqueaccdingtoabilityisweakerlackvividabundantofsetupmoldabilityetc..Fmakedatabasethecustomer

13、candirectlyexpressthemwiththeirunderstingtotheobjectivewldwanttodescribeofwldpeopleputfwardtoeruptanexhibitionmanynewdatamodels.Thesetryalong3carryonof.Thefirstcarryonanenlargementtothetraditionalrelationmodel(1NF)ledtog

14、ointoahfulofstructuremachinesmakeitbeabletoexpressmecomplicateddatatypestrengthenitsstructuretosetupmoldabilitysoofthedatamodelbecalledcomplicateddatamodel.Thesecondputfwardwithdevelopmentcomparerelationmodeltosaythatall

15、newmachinedataofthedatastructurehleiginallanguagetoexpresscomplicatedstructurewithabundantoflanguagerighteousness.Thethirdthelanguagerighteousnessdatamodelwithfacedtotheobjectprogramdesignmethodknottoputtogethertoputfwar

16、dtofacetothedatamodelofobject.2.ThedatabasetechniquecombinetogetherwithotherrelatedtechniquesThedatabasetechniquecombinestogetherwiththecontentsofotheracademicsesisanewgenerationdatabase1oftechniqueshowaZhaoacteristicflo

17、wouttoappearvariousnewdatabasesystemfexample:DatabasetechniquewithdistributeaprocessingtechniquetocombinetogetherappearedthedistributetypedatabasesystemDatabasetechniquewithproceedtogetheraprocessingtechniquetocombinetog

18、etherappearproceedtogetherdatabasesystemDatabasetechniquemultimediatechniquecombinetogetherappearedmultimediadatabasesystemDatabasetechniquemistytechniquecombinetogetherappearedmistydatabasesystemetc..Thesenewdatabasesys

19、temsabsbcombinedothercalculattechniquesbecamenumerousbranchesofdatabaserealmresearchatopicthusbiggestenrichdevelopped.3.FacetothedatabasenewtechniqueofapplytherealmThedatabasetechniqueisappliedtoparticularrealminappeared

20、datawarehouseengineeringdatabasecovariancedatabasespacedatabasesciencedatabase...etc.isvariousdatabasesmaketheapplicationofdatabaserealmcontinuouslyextend.Theseallobviousdistrictofthedatabasesystemhavesomerealmapplieddem

21、ingacteristicthelargedatabasewkertothedatabaseacteristicofeachrealminvestigatesdevelopsvariousparticulardatabasesystemobtainedaplenteousresult.Notonlybuiltuptocanbeprovidedasthedatabasesystemofusageftheserealmshaveofalre

22、adypracticalturnmadetocontributefthetechnicaldevelopmentofthenewgenerationdatabase.數(shù)據(jù)庫技術(shù)簡介數(shù)據(jù)庫技術(shù)簡介數(shù)據(jù)庫是數(shù)據(jù)管理的最新技術(shù)，是計(jì)算機(jī)科學(xué)的重要分支，十余年來，數(shù)據(jù)庫管理系統(tǒng)已從專用的應(yīng)用程序包發(fā)展到成為通用的系統(tǒng)軟件。由于數(shù)據(jù)庫具有數(shù)據(jù)結(jié)構(gòu)化、最低冗余度、較高的程序與數(shù)據(jù)獨(dú)立性、易于擴(kuò)充、易于編制應(yīng)用程序等優(yōu)點(diǎn)，較大的信息系統(tǒng)都是建立在數(shù)據(jù)